Investigation of a Diesel-Engined Vehicle’s Performance and Emissions during the WLTC Driving Cycle—Comparison with the NEDC

Evangelos G. Giakoumis and Alexandros T. Zachiotis
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Evangelos G. Giakoumis: Internal Combustion Engines Lab., School of Mechanical Engineering, National Technical University of Athens, Athens 15780, Greece
Alexandros T. Zachiotis: Internal Combustion Engines Lab., School of Mechanical Engineering, National Technical University of Athens, Athens 15780, Greece

Energies, 2017, vol. 10, issue 2, 1-19

Abstract: The present work presents results from an experimentally validated simulation code, regarding a turbocharged diesel-powered vehicle running on the recently developed worldwide light-duty vehicles WLTC driving cycle. The simulation is based on an engine mapping approach, with correction coefficients applied vis-à-vis the transient discrepancies encountered. Both performance and engine-out emission results are presented and discussed. As regards the latter, the concerned pollutants are soot and nitrogen monoxide. Since the WLTC driving cycle is scheduled to replace the NEDC in Europe from September 2017 with regard to the certification of passenger cars and light-duty trucks, a comparative analysis between the two test schedules is also performed for the engine/vehicle under study.

Keywords: diesel engine; exhaust emissions; soot; transient operation; turbocharger lag; WLTC driving cycle (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (9)

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